﻿#region License
// Copyright (c) 2007 James Newton-King
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
#endregion

using System;
using System.Collections.Generic;
using System.ComponentModel;
#if !NETFX_CORE
using NUnit.Framework;
#else
using Microsoft.VisualStudio.TestPlatform.UnitTestFramework;
using TestFixture = Microsoft.VisualStudio.TestPlatform.UnitTestFramework.TestClassAttribute;
using Test = Microsoft.VisualStudio.TestPlatform.UnitTestFramework.TestMethodAttribute;
#endif
using Newtonsoft.Json.Linq;
#if NET20
using Newtonsoft.Json.Utilities.LinqBridge;
#else
using System.Linq;
#endif

namespace Newtonsoft.Json.Tests.Linq
{
  [TestFixture]
  public class JArrayTests : TestFixtureBase
  {
    [Test]
    public void RemoveSpecificAndRemoveSelf()
    {
      JObject o = new JObject
      {
        {"results", new JArray(1, 2, 3, 4)}
      };

      JArray a = (JArray)o["results"];

      var last = a.Last();

      Assert.IsTrue(a.Remove(last));

      last = a.Last();
      last.Remove();

      Assert.AreEqual(2, a.Count);
    }

    [Test]
    public void Clear()
    {
      JArray a = new JArray {1};
      Assert.AreEqual(1, a.Count);

      a.Clear();
      Assert.AreEqual(0, a.Count);
    }

    [Test]
    public void AddToSelf()
    {
      JArray a = new JArray();
      a.Add(a);

      Assert.IsFalse(ReferenceEquals(a[0], a));
    }

    [Test]
    public void Contains()
    {
      JValue v = new JValue(1);

      JArray a = new JArray {v};

      Assert.AreEqual(false, a.Contains(new JValue(2)));
      Assert.AreEqual(false, a.Contains(new JValue(1)));
      Assert.AreEqual(false, a.Contains(null));
      Assert.AreEqual(true, a.Contains(v));
    }

    [Test]
    public void GenericCollectionCopyTo()
    {
      JArray j = new JArray();
      j.Add(new JValue(1));
      j.Add(new JValue(2));
      j.Add(new JValue(3));
      Assert.AreEqual(3, j.Count);

      JToken[] a = new JToken[5];

      ((ICollection<JToken>) j).CopyTo(a, 1);

      Assert.AreEqual(null, a[0]);

      Assert.AreEqual(1, (int) a[1]);

      Assert.AreEqual(2, (int) a[2]);

      Assert.AreEqual(3, (int) a[3]);

      Assert.AreEqual(null, a[4]);

    }

    [Test]
    public void GenericCollectionCopyToNullArrayShouldThrow()
    {
      JArray j = new JArray();

      ExceptionAssert.Throws<ArgumentNullException>(
        @"Value cannot be null.
Parameter name: array",
        () =>
          {
            ((ICollection<JToken>) j).CopyTo(null, 0);
          });
    }

    [Test]
    public void GenericCollectionCopyToNegativeArrayIndexShouldThrow()
    {
      JArray j = new JArray();

      ExceptionAssert.Throws<ArgumentOutOfRangeException>(
        @"arrayIndex is less than 0.
Parameter name: arrayIndex",
        () =>
          {
            ((ICollection<JToken>) j).CopyTo(new JToken[1], -1);
          });
    }

    [Test]
    public void GenericCollectionCopyToArrayIndexEqualGreaterToArrayLengthShouldThrow()
    {
      JArray j = new JArray();

      ExceptionAssert.Throws<ArgumentException>(
        @"arrayIndex is equal to or greater than the length of array.",
        () =>
          {
            ((ICollection<JToken>) j).CopyTo(new JToken[1], 1);
          });
    }

    [Test]
    public void GenericCollectionCopyToInsufficientArrayCapacity()
    {
      JArray j = new JArray();
      j.Add(new JValue(1));
      j.Add(new JValue(2));
      j.Add(new JValue(3));

      ExceptionAssert.Throws<ArgumentException>(
        @"The number of elements in the source JObject is greater than the available space from arrayIndex to the end of the destination array.",
        () =>
        {
          ((ICollection<JToken>)j).CopyTo(new JToken[3], 1);
        });
    }

    [Test]
    public void Remove()
    {
      JValue v = new JValue(1);
      JArray j = new JArray();
      j.Add(v);

      Assert.AreEqual(1, j.Count);

      Assert.AreEqual(false, j.Remove(new JValue(1)));
      Assert.AreEqual(false, j.Remove(null));
      Assert.AreEqual(true, j.Remove(v));
      Assert.AreEqual(false, j.Remove(v));

      Assert.AreEqual(0, j.Count);
    }

    [Test]
    public void IndexOf()
    {
      JValue v1 = new JValue(1);
      JValue v2 = new JValue(1);
      JValue v3 = new JValue(1);

      JArray j = new JArray();

      j.Add(v1);
      Assert.AreEqual(0, j.IndexOf(v1));

      j.Add(v2);
      Assert.AreEqual(0, j.IndexOf(v1));
      Assert.AreEqual(1, j.IndexOf(v2));

      j.AddFirst(v3);
      Assert.AreEqual(1, j.IndexOf(v1));
      Assert.AreEqual(2, j.IndexOf(v2));
      Assert.AreEqual(0, j.IndexOf(v3));

      v3.Remove();
      Assert.AreEqual(0, j.IndexOf(v1));
      Assert.AreEqual(1, j.IndexOf(v2));
      Assert.AreEqual(-1, j.IndexOf(v3));
    }

    [Test]
    public void RemoveAt()
    {
      JValue v1 = new JValue(1);
      JValue v2 = new JValue(1);
      JValue v3 = new JValue(1);

      JArray j = new JArray();

      j.Add(v1);
      j.Add(v2);
      j.Add(v3);

      Assert.AreEqual(true, j.Contains(v1));
      j.RemoveAt(0);
      Assert.AreEqual(false, j.Contains(v1));

      Assert.AreEqual(true, j.Contains(v3));
      j.RemoveAt(1);
      Assert.AreEqual(false, j.Contains(v3));

      Assert.AreEqual(1, j.Count);
    }

    [Test]
    public void RemoveAtOutOfRangeIndexShouldError()
    {
      JArray j = new JArray();

      ExceptionAssert.Throws<ArgumentOutOfRangeException>(
        @"Index is equal to or greater than Count.
Parameter name: index",
        () =>
          {
            j.RemoveAt(0);
          });
    }

    [Test]
    public void RemoveAtNegativeIndexShouldError()
    {
      JArray j = new JArray();

      ExceptionAssert.Throws<ArgumentOutOfRangeException>(
        @"Index is less than 0.
Parameter name: index",
        () =>
          {
            j.RemoveAt(-1);
          });
    }

    [Test]
    public void Insert()
    {
      JValue v1 = new JValue(1);
      JValue v2 = new JValue(2);
      JValue v3 = new JValue(3);
      JValue v4 = new JValue(4);

      JArray j = new JArray();

      j.Add(v1);
      j.Add(v2);
      j.Add(v3);
      j.Insert(1, v4);

      Assert.AreEqual(0, j.IndexOf(v1));
      Assert.AreEqual(1, j.IndexOf(v4));
      Assert.AreEqual(2, j.IndexOf(v2));
      Assert.AreEqual(3, j.IndexOf(v3));
    }

    [Test]
    public void AddFirstAddedTokenShouldBeFirst()
    {
      JValue v1 = new JValue(1);
      JValue v2 = new JValue(2);
      JValue v3 = new JValue(3);

      JArray j = new JArray();
      Assert.AreEqual(null, j.First);
      Assert.AreEqual(null, j.Last);

      j.AddFirst(v1);
      Assert.AreEqual(v1, j.First);
      Assert.AreEqual(v1, j.Last);

      j.AddFirst(v2);
      Assert.AreEqual(v2, j.First);
      Assert.AreEqual(v1, j.Last);

      j.AddFirst(v3);
      Assert.AreEqual(v3, j.First);
      Assert.AreEqual(v1, j.Last);
    }

    [Test]
    public void InsertShouldInsertAtZeroIndex()
    {
      JValue v1 = new JValue(1);
      JValue v2 = new JValue(2);

      JArray j = new JArray();

      j.Insert(0, v1);
      Assert.AreEqual(0, j.IndexOf(v1));

      j.Insert(0, v2);
      Assert.AreEqual(1, j.IndexOf(v1));
      Assert.AreEqual(0, j.IndexOf(v2));
    }

    [Test]
    public void InsertNull()
    {
      JArray j = new JArray();
      j.Insert(0, null);

      Assert.AreEqual(null, ((JValue) j[0]).Value);
    }

    [Test]
    public void InsertNegativeIndexShouldThrow()
    {
      JArray j = new JArray();

      ExceptionAssert.Throws<ArgumentOutOfRangeException>(
        @"Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index",
        () =>
        {
          j.Insert(-1, new JValue(1));
        });
    }

    [Test]
    public void InsertOutOfRangeIndexShouldThrow()
    {
      JArray j = new JArray();

      ExceptionAssert.Throws<ArgumentOutOfRangeException>(
        @"Index must be within the bounds of the List.
Parameter name: index",
        () =>
          {
            j.Insert(2, new JValue(1));
          });
    }

    [Test]
    public void Item()
    {
      JValue v1 = new JValue(1);
      JValue v2 = new JValue(2);
      JValue v3 = new JValue(3);
      JValue v4 = new JValue(4);

      JArray j = new JArray();

      j.Add(v1);
      j.Add(v2);
      j.Add(v3);

      j[1] = v4;

      Assert.AreEqual(null, v2.Parent);
      Assert.AreEqual(-1, j.IndexOf(v2));
      Assert.AreEqual(j, v4.Parent);
      Assert.AreEqual(1, j.IndexOf(v4));
    }

    [Test]
    public void Parse_ShouldThrowOnUnexpectedToken()
    {
      string json = @"{""prop"":""value""}";

      ExceptionAssert.Throws<JsonReaderException>(
        "Error reading JArray from JsonReader. Current JsonReader item is not an array: StartObject. Path '', line 1, position 1.",
        () =>
          {
            JArray.Parse(json);
          });
    }

    public class ListItemFields
    {
      public string ListItemText { get; set; }
      public object ListItemValue { get; set; }
    }

    [Test]
    public void ArrayOrder()
    {
      string itemZeroText = "Zero text";

      IEnumerable<ListItemFields> t = new List<ListItemFields>
        {
          new ListItemFields {ListItemText = "First", ListItemValue = 1},
          new ListItemFields {ListItemText = "Second", ListItemValue = 2},
          new ListItemFields {ListItemText = "Third", ListItemValue = 3}
        };

      JObject optionValues =
        new JObject(
          new JProperty("options",
                        new JArray(
                          new JObject(
                            new JProperty("text", itemZeroText),
                            new JProperty("value", "0")),
                          from r in t
                          orderby r.ListItemValue
                          select new JObject(
                            new JProperty("text", r.ListItemText),
                            new JProperty("value", r.ListItemValue.ToString())))));

      string result = "myOptions = " + optionValues.ToString();

      Assert.AreEqual(@"myOptions = {
  ""options"": [
    {
      ""text"": ""Zero text"",
      ""value"": ""0""
    },
    {
      ""text"": ""First"",
      ""value"": ""1""
    },
    {
      ""text"": ""Second"",
      ""value"": ""2""
    },
    {
      ""text"": ""Third"",
      ""value"": ""3""
    }
  ]
}", result);
    }

    [Test]
    public void Iterate()
    {
      JArray a = new JArray(1, 2, 3, 4, 5);

      int i = 1;
      foreach (JToken token in a)
      {
        Assert.AreEqual(i, (int) token);
        i++;
      }
    }


#if !(SILVERLIGHT || NETFX_CORE || PORTABLE || PORTABLE40)
    [Test]
    public void ITypedListGetItemProperties()
    {
      JProperty p1 = new JProperty("Test1", 1);
      JProperty p2 = new JProperty("Test2", "Two");
      ITypedList a = new JArray(new JObject(p1, p2));

      PropertyDescriptorCollection propertyDescriptors = a.GetItemProperties(null);
      Assert.IsNotNull(propertyDescriptors);
      Assert.AreEqual(2, propertyDescriptors.Count);
      Assert.AreEqual("Test1", propertyDescriptors[0].Name);
      Assert.AreEqual("Test2", propertyDescriptors[1].Name);
    }
#endif

    [Test]
    public void AddArrayToSelf()
    {
      JArray a = new JArray(1, 2);
      a.Add(a);

      Assert.AreEqual(3, a.Count);
      Assert.AreEqual(1, (int) a[0]);
      Assert.AreEqual(2, (int) a[1]);
      Assert.AreNotSame(a, a[2]);
    }

    [Test]
    public void SetValueWithInvalidIndex()
    {
      ExceptionAssert.Throws<ArgumentException>(
        @"Set JArray values with invalid key value: ""badvalue"". Array position index expected.",
        () =>
        {
          JArray a = new JArray();
          a["badvalue"] = new JValue(3);
        });
    }

    [Test]
    public void SetValue()
    {
      object key = 0;

      JArray a = new JArray((object) null);
      a[key] = new JValue(3);

      Assert.AreEqual(3, (int) a[key]);
    }

    [Test]
    public void ReplaceAll()
    {
      JArray a = new JArray(new[] {1, 2, 3});
      Assert.AreEqual(3, a.Count);
      Assert.AreEqual(1, (int) a[0]);
      Assert.AreEqual(2, (int) a[1]);
      Assert.AreEqual(3, (int) a[2]);

      a.ReplaceAll(1);
      Assert.AreEqual(1, a.Count);
      Assert.AreEqual(1, (int) a[0]);
    }

    [Test]
    public void ParseIncomplete()
    {
      ExceptionAssert.Throws<JsonReaderException>(
        "Unexpected end of content while loading JArray. Path '[0]', line 1, position 2.",
        () =>
        {
          JArray.Parse("[1");
        });
    }

    [Test]
    public void InsertAddEnd()
    {
      JArray array = new JArray();
      array.Insert(0, 123);
      array.Insert(1, 456);

      Assert.AreEqual(2, array.Count);
      Assert.AreEqual(123, (int) array[0]);
      Assert.AreEqual(456, (int) array[1]);
    }

    [Test]
    public void ParseAdditionalContent()
    {
      string json = @"[
""Small"",
""Medium"",
""Large""
], 987987";

      ExceptionAssert.Throws<JsonReaderException>(
        "Additional text encountered after finished reading JSON content: ,. Path '', line 5, position 2.",
        () =>
          {
            JArray.Parse(json);
          });
    }

    [Test]
    public void ToListOnEmptyArray()
    {
      string json = @"{""decks"":[]}";

      JArray decks = (JArray)JObject.Parse(json)["decks"];
      IList<JToken> l = decks.ToList();
      Assert.AreEqual(0, l.Count);

      json = @"{""decks"":[1]}";

      decks = (JArray)JObject.Parse(json)["decks"];
      l = decks.ToList();
      Assert.AreEqual(1, l.Count);
    }
  }
}